303050

Appears in sequences

• Number of base 28 n-digit numbers with adjacent digits differing by five or less.at n=5A126549
• Expansion of x^2*(2-3*x)/(1-x-x^2)^2.at n=26A191830
• Second partial sums of ninth powers (A001017).at n=3A253637
• a(n) = 1*4^n + 2*3^n + 3*2^n + 4*1^n.at n=9A254030